<!--显示一个类似grid的图片墙; artwork参数来自index.js页面的数据源-->
<article class="sidebar">
    <h1 class="sidebar-title">Artwork on display</h1>
    <p class="sidebar-body">While you attend the conference, head over to our gallery where you can check
        out some of the work from our speakers.</p>
    <div class="pixgrid clearfix">
        <% if (artwork.length > 0) { %>
        <% for (i = 0; i < artwork.length; i++) { %>
        <img src="/images/artwork/<%= artwork[i] %>" alt="Artwork <%= i %>">
        <% } %>
        <% } %>
    </div>
</article>